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Related Concept Videos

Mate Choice01:20

Mate Choice

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Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
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Natural Selection and Mating Preferences01:06

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The principle of natural selection posits that organisms better adapted to their environment are more likely to survive and reproduce. This principle is closely intertwined with mating preferences, a key aspect of sexual selection, which evolutionary psychologists believe is driven by instincts to propagate one's genes. Such instincts significantly influence mating behaviors and preferences between genders.
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Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
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Related Experiment Video

Updated: May 5, 2026

Observation and Quantification of Mating Behavior in the Pinewood Nematode, Bursaphelenchus xylophilus
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Mating preference inSchistosoma mansoni.

D Shirazian1, J E Childs, J T Hawkins

  • 1Department of Immunology and Infectious Diseases, The Johns Hopkins University School of Hygiene and Public Health, 21205, Baltimore, Maryland.

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|December 6, 2013
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Summary
This summary is machine-generated.

This study shows an in vitro culture system effectively measures Schistosoma mansoni mating behavior and egg production for up to 19 days. Diethyldithiocarbamate (DDC) drug inhibited mating and reduced ATP levels in these parasites.

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Area of Science:

  • Parasitology
  • Infectious Diseases
  • Drug Discovery

Background:

  • Schistosoma mansoni is a parasitic flatworm causing schistosomiasis.
  • Understanding mating behavior is crucial for developing new treatments.
  • An in vitro system is needed to study parasite reproduction and drug efficacy.

Purpose of the Study:

  • To evaluate an in vitro culture system for assessing Schistosoma mansoni mating behavior.
  • To measure egg production and mating status in vitro.
  • To investigate the effects of specific drugs on parasite mating.

Main Methods:

  • Cultured adult Schistosoma mansoni worm pairs in vitro.
  • Measured phosphorylated nucleotides (ATP, ADP, AMP, G6-P) over time.
  • Monitored egg production and mating status of worm pairs.
  • Tested the effects of Aminoglutethimide (AG) and diethyldithiocarbamate (DDC) on mating.

Main Results:

  • The in vitro system maintained parasite viability and nucleotide levels for up to 6 days.
  • Significant egg production was observed for 19 days, peaking on day 4.
  • Worm pairs showed higher mating frequency with original partners within 24 hours.
  • Diethyldithiocarbamate (DDC) completely inhibited mating and reduced ATP levels, while Aminoglutethimide (AG) had no effect.

Conclusions:

  • The developed in vitro culture system is suitable for measuring Schistosoma mansoni mating behavior and egg production.
  • The system allows for the detection of drug effects on parasite mating.
  • Diethyldithiocarbamate (DDC) shows potential as an inhibitor of Schistosoma mansoni mating.